1 /* 2 * Copyright (C) 2007 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package android.app; 18 19 import com.android.internal.R; 20 21 import android.content.Context; 22 import android.content.DialogInterface; 23 import android.content.DialogInterface.OnClickListener; 24 import android.os.Bundle; 25 import android.view.LayoutInflater; 26 import android.view.View; 27 import android.widget.TimePicker; 28 import android.widget.TimePicker.OnTimeChangedListener; 29 30 /** 31 * A dialog that prompts the user for the time of day using a {@link TimePicker}. 32 * 33 * <p>See the <a href="{@docRoot}resources/tutorials/views/hello-timepicker.html">Time Picker 34 * tutorial</a>.</p> 35 */ 36 public class TimePickerDialog extends AlertDialog 37 implements OnClickListener, OnTimeChangedListener { 38 39 /** 40 * The callback interface used to indicate the user is done filling in 41 * the time (they clicked on the 'Set' button). 42 */ 43 public interface OnTimeSetListener { 44 45 /** 46 * @param view The view associated with this listener. 47 * @param hourOfDay The hour that was set. 48 * @param minute The minute that was set. 49 */ onTimeSet(TimePicker view, int hourOfDay, int minute)50 void onTimeSet(TimePicker view, int hourOfDay, int minute); 51 } 52 53 private static final String HOUR = "hour"; 54 private static final String MINUTE = "minute"; 55 private static final String IS_24_HOUR = "is24hour"; 56 57 private final TimePicker mTimePicker; 58 private final OnTimeSetListener mCallback; 59 60 int mInitialHourOfDay; 61 int mInitialMinute; 62 boolean mIs24HourView; 63 64 /** 65 * @param context Parent. 66 * @param callBack How parent is notified. 67 * @param hourOfDay The initial hour. 68 * @param minute The initial minute. 69 * @param is24HourView Whether this is a 24 hour view, or AM/PM. 70 */ TimePickerDialog(Context context, OnTimeSetListener callBack, int hourOfDay, int minute, boolean is24HourView)71 public TimePickerDialog(Context context, 72 OnTimeSetListener callBack, 73 int hourOfDay, int minute, boolean is24HourView) { 74 this(context, 0, callBack, hourOfDay, minute, is24HourView); 75 } 76 77 /** 78 * @param context Parent. 79 * @param theme the theme to apply to this dialog 80 * @param callBack How parent is notified. 81 * @param hourOfDay The initial hour. 82 * @param minute The initial minute. 83 * @param is24HourView Whether this is a 24 hour view, or AM/PM. 84 */ TimePickerDialog(Context context, int theme, OnTimeSetListener callBack, int hourOfDay, int minute, boolean is24HourView)85 public TimePickerDialog(Context context, 86 int theme, 87 OnTimeSetListener callBack, 88 int hourOfDay, int minute, boolean is24HourView) { 89 super(context, theme); 90 mCallback = callBack; 91 mInitialHourOfDay = hourOfDay; 92 mInitialMinute = minute; 93 mIs24HourView = is24HourView; 94 95 setCanceledOnTouchOutside(false); 96 setIcon(0); 97 setTitle(R.string.time_picker_dialog_title); 98 99 setButton(BUTTON_POSITIVE, context.getText(R.string.date_time_set), this); 100 setButton(BUTTON_NEGATIVE, context.getText(R.string.cancel), 101 (OnClickListener) null); 102 103 LayoutInflater inflater = 104 (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE); 105 View view = inflater.inflate(R.layout.time_picker_dialog, null); 106 setView(view); 107 mTimePicker = (TimePicker) view.findViewById(R.id.timePicker); 108 109 // initialize state 110 mTimePicker.setIs24HourView(mIs24HourView); 111 mTimePicker.setCurrentHour(mInitialHourOfDay); 112 mTimePicker.setCurrentMinute(mInitialMinute); 113 mTimePicker.setOnTimeChangedListener(this); 114 } 115 onClick(DialogInterface dialog, int which)116 public void onClick(DialogInterface dialog, int which) { 117 if (mCallback != null) { 118 mTimePicker.clearFocus(); 119 mCallback.onTimeSet(mTimePicker, mTimePicker.getCurrentHour(), 120 mTimePicker.getCurrentMinute()); 121 } 122 } 123 updateTime(int hourOfDay, int minutOfHour)124 public void updateTime(int hourOfDay, int minutOfHour) { 125 mTimePicker.setCurrentHour(hourOfDay); 126 mTimePicker.setCurrentMinute(minutOfHour); 127 } 128 onTimeChanged(TimePicker view, int hourOfDay, int minute)129 public void onTimeChanged(TimePicker view, int hourOfDay, int minute) { 130 /* do nothing */ 131 } 132 133 @Override onSaveInstanceState()134 public Bundle onSaveInstanceState() { 135 Bundle state = super.onSaveInstanceState(); 136 state.putInt(HOUR, mTimePicker.getCurrentHour()); 137 state.putInt(MINUTE, mTimePicker.getCurrentMinute()); 138 state.putBoolean(IS_24_HOUR, mTimePicker.is24HourView()); 139 return state; 140 } 141 142 @Override onRestoreInstanceState(Bundle savedInstanceState)143 public void onRestoreInstanceState(Bundle savedInstanceState) { 144 super.onRestoreInstanceState(savedInstanceState); 145 int hour = savedInstanceState.getInt(HOUR); 146 int minute = savedInstanceState.getInt(MINUTE); 147 mTimePicker.setIs24HourView(savedInstanceState.getBoolean(IS_24_HOUR)); 148 mTimePicker.setCurrentHour(hour); 149 mTimePicker.setCurrentMinute(minute); 150 } 151 } 152